BlockTile B2US4630 Deck and Patio Flooring Interlocking Tiles Perforated Pack, Gray, 30-Pack 30 square feet, 30 tiles per case; case weighs 20 lb. Each tile is 12 in. width x 12 in. length x 1/2 in. thick. Rigid hi-impact plastic tiles UV Stable Waterproof interlocking floor tile for deck and patio, also suitable for residential garage floors.